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Whenwecamein,they

練習題1.53W

問題詳情:

Whenwecamein,they

When we came in, they___their lessons.

A. are not doing B. weren't doingC. not were doing D. have done

【回答】

B

知識點:動詞時態

題型:選擇題

標籤:Whenwecameinthey